You become very angry and depressed that you keep getting offered only these exceedingly demure and repressed roles. They're so not me. That's why films like Fight Club were so important to me because I think I confounded certain stereotypes and limited perceptions of what I could do as an actress.
Psychology is as important as substance. If you treat people with respect, they will go out of their way to accommodate you. If you treat them in a patronizing way, they will go out of their way to make your life difficult.